;;
cygwin*)
os_include_dir="os/newlib"
+ OPT_LDFLAGS="${OPT_LDFLAGS} -no-undefined -bindir \$(bindir)"
;;
darwin | darwin[1-7] | darwin[1-7].*)
# On Darwin, performance is improved if libstdc++ is single-module.
mingw32*)
os_include_dir="os/mingw32"
error_constants_dir="os/mingw32"
+ OPT_LDFLAGS="${OPT_LDFLAGS} -no-undefined -bindir \$(bindir)"
;;
netbsd*)
os_include_dir="os/bsd/netbsd"